EP1614630B1 - Verfahren sowie Vorrichtung zum Sterilisieren von Behältern mit UV-Strahlung - Google Patents

Verfahren sowie Vorrichtung zum Sterilisieren von Behältern mit UV-Strahlung Download PDF

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Publication number
EP1614630B1
EP1614630B1 EP05011277A EP05011277A EP1614630B1 EP 1614630 B1 EP1614630 B1 EP 1614630B1 EP 05011277 A EP05011277 A EP 05011277A EP 05011277 A EP05011277 A EP 05011277A EP 1614630 B1 EP1614630 B1 EP 1614630B1
Authority
EP
European Patent Office
Prior art keywords
container
radiation
optical waveguide
ultraviolet radiation
ultraviolet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP05011277A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1614630A1 (de
Inventor
Volker Till
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KHS GmbH
Original Assignee
KHS GmbH
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Filing date
Publication date
Application filed by KHS GmbH filed Critical KHS GmbH
Publication of EP1614630A1 publication Critical patent/EP1614630A1/de
Application granted granted Critical
Publication of EP1614630B1 publication Critical patent/EP1614630B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
    • B65B55/02—Sterilising, e.g. of complete packages
    • B65B55/04—Sterilising wrappers or receptacles prior to, or during, packaging
    • B65B55/08—Sterilising wrappers or receptacles prior to, or during, packaging by irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/42403—Purging or cleaning the blow-moulding apparatus
    • B29C49/42405—Sterilizing

Definitions

  • the invention relates to a method according to claim 1. Furthermore, the invention relates to a device according to the preamble. 7
  • All known devices and methods for UV sterilization include i.a. common that for the radiation of UV radiation in the internal sterilization of containers, the UV source is introduced into the respective container through the container opening.
  • the disadvantage here is at least that in the design of the UV source u.a.
  • the type and shape of the container to be sterilized must be considered, and in particular the opening cross-section of the container, the structural design of the UV source so not only from the viewpoints of optimum radiation generation and the best possible efficiency can be made.
  • the object of the invention is to provide a method which allows an internal sterilization of containers and / or packaging with UV radiation in a particularly simple and safe manner. To solve this problem, a method according to claim 1 is formed. An apparatus for carrying out the method is the subject of claim 7.
  • the peculiarity of the invention is that the radiation of UV radiation, which is generated by a UV source outside the respective container, takes place inside the container by means of a flexible light guide element introduced into the container via the container opening.
  • Containers within the meaning of the invention include bottles, but also made from flat packaging for example for drinks and other liquid foods.
  • 1 is a packaging or a container for a germ-susceptible liquid or pasty filling material, for example for a drink.
  • the container 1 Prior to filling with the contents, the container 1 is sterilized internally by means of UV radiation in a wavelength range (for example 254 nm) which effects an optimal killing of the germs present on the container inner surface.
  • the UV radiation is generated by a suitable radiation source 2, for example a mercury vapor discharge lamp, a UV laser and the like with sufficiently high power.
  • the radiation source 2 is provided outside the respective container 1.
  • the UV radiation is introduced into the container via a flexible light guide element 3.
  • the light guide element 3 is introduced with a section 3.1 through the mouth opening 1.1 in the container interior and there provided with an optical radiating element 4, which is a spatial, i. e.g.
  • Spherical radiation of UV radiation with an opening angle of 360 ° or nearly 360 ° in each space level allows, so that according to the lines of action or arrows 5, the entire inner surface of the container 1 is detected by the UV radiation.
  • the radiating element 4 form such that the radiation direction is changed controlled during the sterilization process, wherein the UV radiation is preferably not spherical but for example radially from an over the entire circumference of the radiating element 4 reaching annular radiating outlet radially, wherein the exit angle the radiation controlled can be changed.
  • the UV radiation is preferably not spherical but for example radially from an over the entire circumference of the radiating element 4 reaching annular radiating outlet radially, wherein the exit angle the radiation controlled can be changed.
  • Mini mirrors moved by piezo elements are particularly suitable.
  • a further, highly advantageous development of the present invention provides for the emitting element 4 to be embodied in such a way that the intensity of the spherically emitted UV radiation viewed over the spherical surface is not uniform but different. By doing so, there is the advantage that with unchanged or even reduced power of the UV source critical areas the container can be irradiated particularly intense. In order to form the radiation intensity unevenly over the surface, it is advisable, for example, not to arrange the outlet openings of the radiation regularly according to a pattern, but according to the intensity requirements.
  • the light guide element 3 preferably consists of a bundle of optical fibers, this being e.g. can be made of glass or another, suitable for light guide material.
  • the UV sterilization of the container 1 takes place in a sterilizer, which precedes in a production line of a local filling machine and which forms, for example, on a rotatably driven around a vertical axis machine rotor a plurality of container receptacles 6, which each at a container task to sterilizing container 1 are supplied, which are then removed at a container delivery the rotor and conveyed to the subsequent filling machine.
  • Each receptacle 6 in this case has the optics 4 provided with the optical fiber end 3.1, which is then controlled for the sterilization process introduced into the interior of the container 1 and removed after treatment with the UV radiation from the container in question 1 again, for example by corresponding raising and lowering of the container 1.
  • Each recording 6 is eg an independent UV source 2 assigned. In principle, it is also possible to provide a common UV source 2 for all images or in each case for a group of several images.
  • the inventive construction has numerous advantages. As already mentioned, a relative movement between the end having the emission element 4 and the container 1 is possible due to the flexible light conductor element 3 in order to avoid areas not covered by the UV radiation. Due to the flexible design of the light guide element 3, it is also possible to arrange this within the machine (sterilizer) in an optimal manner to lay and assemble. Another advantage is that the flexible light guide element can follow the movements of the respective container with little mechanical effort. The UV radiation is reliably guided in the light guide element and a danger of injury avoiding shielding is easily possible.
  • the light guide element 3 can be realized with a small outer diameter, this element can also be inserted into containers which have only a small diameter at the container mouth.
  • the respective UV source 2 can have virtually any shape due to the design according to the invention, ie the construction of this radiation source can, for example, be as close as possible to the point of view Optimum generation of UV radiation with the greatest possible efficiency to be chosen following, and indeed completely independent of the specific type and / or shape of the container to be sterilized. 1
  • the invention is suitable for the internal sterilization of containers of any kind, in particular for the internal sterilization of containers made of plastic and / or flat material or packaging.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
EP05011277A 2004-07-07 2005-05-25 Verfahren sowie Vorrichtung zum Sterilisieren von Behältern mit UV-Strahlung Expired - Lifetime EP1614630B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004032861A DE102004032861A1 (de) 2004-07-07 2004-07-07 Verfahren sowie Vorrichtung zum Sterilisieren von Behältern mit UV-Strahlung

Publications (2)

Publication Number Publication Date
EP1614630A1 EP1614630A1 (de) 2006-01-11
EP1614630B1 true EP1614630B1 (de) 2007-05-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05011277A Expired - Lifetime EP1614630B1 (de) 2004-07-07 2005-05-25 Verfahren sowie Vorrichtung zum Sterilisieren von Behältern mit UV-Strahlung

Country Status (4)

Country Link
US (1) US7703262B2 (cg-RX-API-DMAC7.html)
EP (1) EP1614630B1 (cg-RX-API-DMAC7.html)
JP (1) JP2006021834A (cg-RX-API-DMAC7.html)
DE (2) DE102004032861A1 (cg-RX-API-DMAC7.html)

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DE102009043726A1 (de) 2009-10-01 2011-04-07 Khs Gmbh Verfahren und Vorrichtung zur Sterilisation von Oberflächen
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US9044521B2 (en) * 2010-06-01 2015-06-02 Alexander Farren UV sterilization of containers
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US9387268B2 (en) * 2010-06-01 2016-07-12 Alexander Farren Compositions and methods for UV sterilization
US11260138B2 (en) 2010-06-01 2022-03-01 Bluemorph, Llc UV sterilization of container, room, space or defined environment
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Also Published As

Publication number Publication date
JP2006021834A (ja) 2006-01-26
DE502005000643D1 (de) 2007-06-14
US7703262B2 (en) 2010-04-27
US20060011263A1 (en) 2006-01-19
DE102004032861A1 (de) 2006-02-02
EP1614630A1 (de) 2006-01-11

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